user_backtrace     34 arch/arm/kernel/perf_callchain.c user_backtrace(struct frame_tail __user *tail,
user_backtrace     86 arch/arm/oprofile/common.c static struct frame_tail* user_backtrace(struct frame_tail *tail)
user_backtrace     23 arch/arm64/kernel/perf_callchain.c user_backtrace(struct frame_tail __user *tail,
user_backtrace     47 arch/csky/kernel/perf_callchain.c static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry,
user_backtrace   1301 arch/nds32/kernel/perf_event_cpu.c user_backtrace(struct perf_callchain_entry_ctx *entry, unsigned long fp)
user_backtrace     17 arch/riscv/kernel/perf_callchain.c static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry,
user_backtrace     45 arch/sh/oprofile/backtrace.c user_backtrace(unsigned long *stackaddr, struct pt_regs *regs)